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NXPhlite work arround to internal i2c routed to external connector.

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Since the only device on the bus is the barro, int or ext does
   not apply. This will be fixed on the rev > RC15.
   This defines an alias that can be used to condition the buss logic
   connection logic px4_i2c_bus_external to return external.
This commit is contained in:
David Sidrane 2018-06-21 13:01:30 -10:00 committed by Daniel Agar
parent 678627d783
commit e35be68fd4
2 changed files with 8 additions and 5 deletions
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7
ROMFS/px4fmu_common/init.d/rc.sensors
View File

@ -107,8 +107,11 @@ fi
if ver hwcmp NXPHLITE_V3
then
# Internal I2C (baro)
mpl3115a2 -I start
# External I2C bus
hmc5883 -C -X start
# Onboard I2C (baro) but an external bus on V3 RC15
mpl3115a2 -X start
# Internal SPI (accel + mag)
fxos8701cq start -a 8 -R 0

6
src/drivers/boards/nxphlite-v3/board_config.h
View File

@ -259,9 +259,9 @@ __BEGIN_DECLS
/* I2C busses */
#define PX4_I2C_BUS_EXPANSION PX4_BUS_NUMBER_TO_PX4(0)
#define PX4_I2C_BUS_ONBOARD PX4_BUS_NUMBER_TO_PX4(1)
#define PX4_I2C_BUS_LED PX4_I2C_BUS_EXPANSION
#define PX4_I2C_BUS_EXPANSION1 PX4_BUS_NUMBER_TO_PX4(1) // V3 RC15 has mpl3115a2 on onboard but this goes to a connector
// So it is treated as external.
#define PX4_I2C_BUS_LED PX4_I2C_BUS_EXPANSION1
/*
* ADC channels